Every year there are about _______ people waiting for their trains back home in the railway station before Spring Festival comes.

17They can’t be working nowIt’s time they ________ the office

Excuse me, MadameIs this plane __________ take off soon?–Oh, yesIn five minutes

you read the book, you’d bettermake a mark ______ you have questions

Would you please ______ write on thetextbooks